US11534409B2

Immediate release abuse-deterrent granulated dosage forms

Claim Score by NHIP

Read claim 1, the broadest

Abstract

Described are immediate release oral dosage forms that contain abuse-deterrent features. In particular, the disclosed dosage forms provide deterrence of abuse by ingestion of multiple individual doses. In addition, the disclosed dosage forms provide protection from overdose in the event of accidental or intentional ingestion of multiple individual doses.

US11534409B2, drawing sheet 1
Sheet 1 of 37

Term

9.2 yearsleft in the term

Expires 8 December 2035.

  1. Priority
  2. Filed
  3. Granted
  4. Today
  5. Expires

19 claims: 1 independent, 18 dependent

  1. 1
    Broadest claimClaim Score 33, narrow(NHIP)A method of treating depression comprising orally administering to a subject in need thereof a therapeutically effective amount of a compressed tablet comprising between 10 and 25 wt % of ketamine, esketamine, or a pharmaceutically acceptable salt thereof;wherein the tablet comprises a core comprising from 40 to 85 wt % of a first polymer of average molecular weight of at least 10,000 and selected from the group consisting of polyethylene oxide, polyvinyl alcohol, hydroxypropyl methyl cellulose, hydroxypropyl cellulose, methyl cellulose, hydroxyethylmethylcellulose, sodium carboxymethylcellulose, hydroxyethylcellulose, polyacrylic acid, polyvinyl carboxy polymers, carbomer polymers and combinations thereof;andwherein the core is coated by a second polymer having an average molecular weight of less than 50,000 and in an amount of about 2-30 wt % with respect to the total weight of the tablet, that is selected from the group consisting of hydroxypropyl cellulose, poly(methyl methacrylates), ethyl cellulose, hydroxypropyl methyl cellulose, hydroxyl methyl cellulose, polyvinyl alcohol, and any combination thereof.